. >> reporter: at the rally, pro-israel parliamentarians came from africa, north america, europe and yur gay. >> they plan to show their support for an undivided jerusalem. ? >> >> they are working to transform the passion into legislative action. they brought together the heads of the caucuses to budapest. >> they are members from 10, 15, 20 other parliaments. it strengthens them and helps them to understand what political initiatives are being taken out of the countries and do the same thing. >> foundation has established 20 caucuses around the world with 10 more in the works, an unprecedented effort to marshal support for israel among legislatures. >> israel is the only dmok ra tif country. >> along with shared values with israel, many say western civilization shares a common enemy, radical islam. >> it also is very important for suppo support. they are part of our civilization. >> u.s.-israel kcaucus. >> countries around the world that want to support a fellow democracy. i as one congressman will be one of those voices saying this should be the u.s. policy. >> representatives fro